Revert of Mojo interface for Leak Detector on remote process

components/metrics/BUILD.gn

Index: components/metrics/BUILD.gn
diff --git a/components/metrics/BUILD.gn b/components/metrics/BUILD.gn
index 585e3b433e2665846716fc86ad84bb6f9d64dab0..83469f2e151aba21c6277a4a5e7b91dae8863c17 100644
--- a/components/metrics/BUILD.gn
+++ b/components/metrics/BUILD.gn
@@ -1,8 +1,6 @@
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-
-import("//mojo/public/tools/bindings/mojom.gni")
 
 declare_args() {
   # Overrides os name in uma metrics log to "Blimp".
@@ -305,14 +303,6 @@
 }
 
 if (is_chromeos) {
-  mojom("interfaces") {
-    sources = [
-      "leak_detector/leak_detector_remote.mojom",
-    ]
-  }
-}
-
-if (is_chromeos) {
   source_set("leak_detector_unit_tests") {
     testonly = true
     sources = [